Home / 617,823.60-926,721.72-168,536.40

Finding the Fourth Proportional to 617,823.60, 926,721.72 and 168,536.40

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Solution

The fourth proportional to 617,823.60, 926,721.72 and 168,536.40 is: 252,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,823.60 : 926,721.72 = 168,536.40 : x
  2. Step 2: Convert to fraction form
    617,823.60/926,721.72 = 168,536.40/x
  3. Step 3: Cross multiply
    617,823.60x = 926,721.72 × 168,536.40
  4. Step 4: Simplify right side
    617,823.60x = 156,186,342,490.61
  5. Step 5: Solve for x
    x = 156,186,342,490.61/617,823.60
  6. Step 6: Final answer
    x = 252,800.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.